X1.8 Flare on 9/7/2011 @ 22:23 UTC - sunspot 1283 - CME vers la Terre producedX2.1 Flare on 9/6/2011 @ 22:16 UTC - sunspot 1283 - CME vers la Terre producedM5.3 Flare on 9/6/2011 @ 01:50 UTC sunspot 1283 - CME vers la Terre produced